Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 496955
Title Prebiotic potential of pectins and pectic oligosaccharides derived from lemon peel wastes and sugar beet pulp : A comparative evaluation
Author(s) Gómez, Belén; Gullón, Beatriz; Yáñez, Remedios; Schols, Henk; Alonso, José L.
Source Journal of Functional Foods 20 (2016). - ISSN 1756-4646 - p. 108 - 121.
Department(s) Food Chemistry Group
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) FISH - Lemon peel wastes - Pectic oligosaccharides - Pectins - Prebiotics - Sugar beet pulp

Sugar beet pulp (SBP) and lemon peel wastes (LPW) were used to obtain two mixtures of pectic oligosaccharides (denoted as SBPOS and LPOS, respectively). Oligogalacturonides in LPOS showed a larger molecular weight, higher degree of methylation and lower degree of acetylation than the ones in SBPOS. The suitability of pectic oligosaccharides, pectins from SBP and LPW and commercial FOS for causing prebiotic effects were compared by in vitro fermentation and fluorescence in situ hybridization using human faecal inocula and eight different probes. The joint populations of bifidobacteria and lactobacilli increased from 19% up to 29%, 34% and 32% in cultures with LPOS, SBPOS and FOS, respectively. Faecalibacterium and Roseburia also increased their counts with all the substrates (especially with LPOS). The highest concentrations of organic acids were observed in media containing oligosaccharides. This work confirms that pectic oligosaccharides present better prebiotic properties than pectins, and similar or better than FOS.

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